Question 1

Which of the following is a multitasking,multi-user,operating system developed by Bell Laboratories that operates on a wide variety of computing platforms?
A)Unix
B)Linux
C)OS X
D)COBOL
E)DOS

Accepted Answer

Unix is a multitasking, multi-user operating system developed by Bell Laboratories that operates on a wide variety of computing platforms. Linux is also a similar operating system, but it is not developed by Bell Laboratories. OS X is a proprietary operating system developed by Apple Inc. COBOL is a programming language, not an operating system. DOS is a single-user operating system developed by Microsoft.

Question 2

________ states that the value or power of a network grows exponentially as a function of the number of network members.
A)Metcalfe's Law
B)Moore's Law
C)Law of scalability
D)Law of outsourcing
E)Law of networks

Accepted Answer

Metcalfe's Law states that the value of a network is proportional to the square of the number of its users. This means that as the network grows in size, its value or power grows exponentially.

Question 3

Specifications that establish the compatibility of products and the ability to communicate in a network are called:
A)network standards.
B)telecommunications standards.
C)technology standards.
D)Internet standards.
E)compatibility standards.

Accepted Answer

C

Question 4

Which of the following became the standard PC in the Personal Computer Era?
A)Wintel PC
B)DOS PC
C)MITS PC
D)Altair
E)Apple II

Accepted Answer

The Wintel PC, which used Microsoft's Windows operating system and an Intel processor, became the standard personal computer in the era of personal computing. It eventually surpassed other popular systems like the Apple II and Commodore 64 in sales and popularity. While options such as DOS PC, MITS PC, and Altair were significant in the early days of personal computing, the Wintel PC's dominance in the market solidified its position as the standard.

Question 5

Which of the following factors does not help explain why computing resources today are even more available than in previous decades?
A)Network economics
B)Law of mass digital storage
C)Moore's law
D)Declining communications costs and the Internet
E)Widespread rejection of technology standards

Accepted Answer

The widespread rejection of technology standards would actually hinder the availability of computing resources by making it more difficult to build compatible systems, networks, and software. The other factors listed all contribute to the increasing availability of computing resources.

Question 6

Interpretations of Moore's law assert that:
A)computing power will eventually level off.
B)transistors decrease in size 50% every two years.
C)data storage costs decrease by 50% every 18 months.
D)PCs decrease in market share by 9% every 5 years.
E)computing power doubles every 18 months.

Accepted Answer

Moore's law states that computing power (specifically the number of transistors on a chip) doubles every 18-24 months. This is not the same as the decrease in transistor size, nor is it directly related to data storage costs or market share of PCs.

Question 7

Which of the following is the network standard for connecting desktop computers into local area networks that enabled the widespread adoption of client/server computing and local area networks and further stimulated the adoption of personal computers?
A)TCP/IP
B)COBOL
C)Ethernet
D)ASCII
E)Linux

Accepted Answer

Ethernet is the network standard for connecting desktop computers into local area networks. It enabled the widespread adoption of client/server computing and local area networks and further stimulated the adoption of personal computers. TCP/IP is a network protocol, COBOL is a programming language, ASCII is a character encoding, and Linux is an operating system.

Question 8

Client/server computing is a primary example of centralized processing.

Accepted Answer

Client/server computing is an example of distributed processing, where tasks are divided between servers and clients, rather than centralized processing where all tasks are handled by a single central system.

Question 9

Which type of infrastructure service provides data,voice and video connectivity to employees,customers,and suppliers?
A)Networking
B)Telephone
C)VOIP
D)Telecommunications
E)Data management

Accepted Answer

Telecommunications infrastructure services provide data, voice and video connectivity to employees, customers and suppliers. Networking and data management are infrastructure services that support the transmission of data but may not necessarily provide voice and video connectivity. Telephone and VOIP are specifically related to voice communication, while telecommunications covers a broader range of communication modes.

Question 10

The introduction of the minicomputer:
A)allowed computers to be customized to the specific needs of departments or business units.
B)strengthened centralized computing.
C)offered new,powerful machines at higher prices than mainframes.
D)represented the rise of Microsoft.
E)was dominated by IBM.

Accepted Answer

The introduction of the minicomputer allowed businesses to customize their computers to the specific needs of departments or business units, rather than relying on a centralized mainframe system.

Question 11

In N-tier computing,significant parts of website content,logic,and processing are performed by different servers.

Accepted Answer

In N-tier computing, different servers perform specific tasks. This allows for better scalability, flexibility, and fault tolerance.

Question 12

Application server software is responsible for locating and managing stored webpages.

Accepted Answer

Application server software is responsible for managing the execution of web applications, not for locating and managing stored webpages. That is the responsibility of a web server or a content management system.

Question 13

A client computer networked to a server computer,with processing split between the two types of machines,is called a(n):
A)service-oriented architecture.
B)on-demand architecture.
C)multi-tiered client/server architecture.
D)two-tiered client/server architecture.
E)divided architecture.

Accepted Answer

A two-tiered client/server architecture is where the client handles the presentation layer and the server handles the data layer, with processing split between these two types of machines. This setup allows for a direct communication between the client and the server.

Question 14

Which of the following is not an IT infrastructure service component?
A)Operating system software
B)Computing platforms to provide a coherent digital environment
C)Physical facilities management to manage the facilities housing physical components
D)IT management services to plan and develop the infrastructure and provide project management
E)IT education services that provide training to employees

Accepted Answer

The answer of Which of the following is not an...

Question 15

The development of TCP/IP occurred during the ________ era.
A)cloud and mobile computing
B)general-purpose mainframe and minicomputer
C)client/server era
D)personal computer
E)enterprise computing

Accepted Answer

The answer of The development of TCP/IP occurred during the...

Question 16

________ uses individual atoms and molecules to create computer chips and other devices.
A)Virtualization
B)Nanotechnology
C)Quantum computing
D)A minicomputer
E)On-demand computing

Accepted Answer

Nanotechnology uses individual atoms and molecules to create computer chips and other devices. Virtualization is a method of creating virtual versions of resources such as operating systems and servers. Quantum computing is a type of computing that uses quantum bits instead of traditional bits. A minicomputer is a type of computer that is smaller than a mainframe but larger than a microcomputer. On-demand computing is a model where computing resources are provided as needed.

Question 17

Place the following eras of IT infrastructure evolution in order,from earliest to most recent: 1.Cloud Computing Era;2.Client/Server;3.Enterprise Era;4.Personal Computer;and 5.Mainframe and Minicomputer.
A)5,2,3,4,1
B)5,4,2,3,1
C)4,5,2,3,1
D)5,4,2,1,3
E)4,5,3,2,1

Accepted Answer

The Mainframe and Minicomputer era was the earliest, followed by the Personal Computer era, then the Client/Server era, then the Enterprise era, and the most recent is the Cloud Computing era. Therefore, option B is the correct order.

Question 18

In a multi-tiered network:
A)the work of the entire network is centralized.
B)the work of the entire network is balanced over several levels of servers.
C)processing is split between clients and servers.
D)processing is handled by multiple,geographically-remote clients.
E)processing is located in the cloud.

Accepted Answer

In a multi-tiered network, the work of the entire network is balanced over several levels of servers. This allows for efficient use of resources and faster processing times by distributing the workload among different servers. The network is divided into multiple layers or tiers, each with a specific role and function, such as presentation, application, and data layers. This enables scalability and flexibility in the network design.

Question 19

A(n)________ is used to communicate between a user and an organization's back-end systems.
A)public server
B)private server
C)legacy server
D)application server
E)blade server

Accepted Answer

An application server is responsible for handling the communication between a user and an organization's back-end systems. It acts as a middle layer between the front-end user interface and the back-end database and application logic. Hence, D is the correct choice. A public server is accessible by anyone, while a private server is limited to a specific group or organization. A legacy server refers to outdated technology, and a blade server is a type of server hardware used for efficient data center management.

Question 20

Today's nanotechnology-produced computer transistors are roughly equivalent in size to:
A)the width of a fingernail.
B)a human hair.
C)a virus.
D)an atom.
E)a grain of sand.

Accepted Answer

Today's nanotechnology-produced computer transistors are roughly equivalent in size to a virus. In fact, they can be even smaller than a virus. This allows for more transistors to be packed into a smaller space, enabling faster and more efficient computing.

Quiz 5: It Infrastructure and Emerging Technologies

Which of the following is a multitasking,multi-user,operating system developed by Bell Laboratories that operates on a wide variety of computing platforms?

________ states that the value or power of a network grows exponentially as a function of the number of network members.

Specifications that establish the compatibility of products and the ability to communicate in a network are called:

Which of the following became the standard PC in the Personal Computer Era?

Which of the following factors does not help explain why computing resources today are even more available than in previous decades?

Interpretations of Moore's law assert that:

Which of the following is the network standard for connecting desktop computers into local area networks that enabled the widespread adoption of client/server computing and local area networks and further stimulated the adoption of personal computers?

Client/server computing is a primary example of centralized processing.

Which type of infrastructure service provides data,voice and video connectivity to employees,customers,and suppliers?

The introduction of the minicomputer:

In N-tier computing,significant parts of website content,logic,and processing are performed by different servers.

Application server software is responsible for locating and managing stored webpages.

A client computer networked to a server computer,with processing split between the two types of machines,is called a(n) :

Which of the following is not an IT infrastructure service component?

The development of TCP/IP occurred during the ________ era.

________ uses individual atoms and molecules to create computer chips and other devices.

Place the following eras of IT infrastructure evolution in order,from earliest to most recent: 1.Cloud Computing Era;2.Client/Server;3.Enterprise Era;4.Personal Computer;and 5.Mainframe and Minicomputer.

In a multi-tiered network:

A(n) ________ is used to communicate between a user and an organization's back-end systems.

Today's nanotechnology-produced computer transistors are roughly equivalent in size to: